Term
what passes through the superior orbital fissure? |
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Definition
Cranial nerves III, IV, V(i only), VI + sympathetic nerves + ophthalmic veins |
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Term
what passes through the foramen rotundum? |
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Definition
CN V2 (maxillary division of trigeminal) |
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Term
what passes through the foramen ovale? |
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Definition
Cranial nerve V3 (mandibular branch trigeminal) + accessory meningeal artery |
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Term
what passes through foramen spinosum? |
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Definition
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Term
what passes through the foramen magnum? |
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Definition
spinal cord, accesory nerve, vertebral and spinal arteries |
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Term
what passes through the jugular foramen? |
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Definition
cranial nerves IX, X, XI, internal jugular vein |
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Term
what passes through the hypoglossal canal? |
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Definition
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Term
In which direction does the medial rectus move the eye? |
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Definition
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Term
what nerve innervates the medial rectus? |
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Definition
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Term
what nerve innervates the lateral rectus? |
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Definition
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Term
what does the superior rectus do? |
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Definition
moves eye up and towards nose |
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Term
what muscle moves the eye up and out? |
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Definition
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Term
which muscle moves the eye down and towards the nose? |
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Definition
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Term
what does the superior oblique do? |
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Definition
move eye down and out (IV) |
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Term
what does contraction of the ciliary muscle by the parasympathetic nervous system do? |
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Definition
relaxes the suspensory ligaments which let the lens turn globular or near vision |
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Term
what are the signs of Horner's syndrome and what causes it? |
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Definition
miosis, ptosis, anhydrosis cause by tumor or neck injury that interrupts cervical sympathetic chain |
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Term
what nerve innervates the tongue muscles? |
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Definition
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Term
what does the genioglossus do? |
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Definition
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Term
what does the styloglossus do? |
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Definition
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Term
what does the hyoglossus do? |
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Definition
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Term
where does the tongue go when hypoglossal nerve is damaged and why? |
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Definition
towards side of damage b/c healthy genioglossus pushes tongue that way |
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Term
what nerve delivers taste sensation to the anterior 2/3 of the tongue? |
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Definition
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Term
what nerve carries touch, temperature sensation from the anterior 2/3 of tongue? |
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Definition
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Term
what nerve carries taste, touch, and temperature from the posterior 1/3 of tongue? |
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Definition
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Term
from which branchial arch are the mandible and muscles of mastication derived? |
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Definition
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Term
which muscles open the mouth? |
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Definition
lateral pterygoid, digastric, geniohyoid |
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Term
which muscles close the mouth? |
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Definition
mostly masseter with help from temporalis and medial pterygoid |
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Term
which muscle protrudes the mandible? |
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Definition
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Term
which muscle retracts the mandible? |
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Definition
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Term
what are the 4 cartilages of the larynx? |
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Definition
cricoid, thyroid, arytenoids |
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Term
to which larynx cartilages do the vocal chords attach? |
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Definition
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Term
which muscle opens the glottis? |
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Definition
posterior cricoarytenoid (recurrent nerve) |
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Term
which muscle closes the glottis? |
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Definition
lateral cricarytenoid (recurrent nerve) |
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Term
which muscle relaxes the vocal chords? |
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Definition
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Term
which muscle tightens the vocal chords? |
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Definition
cricothyroid (superior laryngeal nerve) |
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Term
what vessel does the left recurrent nerve wrap around? |
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Definition
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Term
what vessel does the right recurrent nerve wrap around? |
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Definition
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Term
main muscle responsible for shoulder adduction? + innervation |
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Definition
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Term
main muscles responsible for shoulder abduction and their innervation? |
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Definition
deltoid then serratus anterior (long thoracic nerve) |
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Term
main muscle responsible for outward rotation of shoulder? |
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Definition
infraspinatus (suprascapular nerve) |
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Term
what muscle is responsible for inward shoulder rotation? |
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Definition
subscapular (subscapular nerve) |
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Term
what causes scapular winging? |
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Definition
paralysis of serratus anterior muscle, due to damage of the long thoracic nerve (ie stab wounds) |
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Term
what does pain on abduction signify? |
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Definition
inflammation of subacromial bursa |
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Term
which spinal rami form the upper trunk of the brachial plexus? |
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Definition
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Term
which spinal rami form the middle trunk of brachial plexus? |
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Definition
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Term
which spinal rami form the lower trunk of the brachial plexus? |
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Definition
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Term
what is the derivation of the musculocutaneous nerve? |
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Definition
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Term
what is the derivation of the axillary, radial, and median nerves? |
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Definition
middle trunk (C7) note: axillary and radial nerve come from the posterior cord |
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Term
what is the derivation of the ulnar nerve? |
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Definition
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Term
what may cause an upper brachial plexus injury and how does it present? |
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Definition
forceful separation of neck and shoulder ie football, motorcycles. causes the arm to hang medially rotated (waiter's tip hand) |
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Term
how might a posterior cord injury occur and how does it manifest? |
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Definition
long crutches may injure the posterior cord, especially the radial nerve. This leads to wrist drop |
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Term
how might a lower brachial plexus injury occur and manifest? |
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Definition
forceful delivery leads to ulnar nerve damage, causing "claw hand" |
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Term
what does radial nerve injury lead to? |
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Definition
wrist drop, loss of triceps reflex, sensation loss to posterior arm/dorsal hand |
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Term
what does median nerve damage do? |
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Definition
inability to flex thumb, index, middle finger, no thumb opposition, thenar atrophy + sensory loss to palm and finger tips of 1st 2 1/2 fingers |
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Term
what does ulnar nerve damage lead to? |
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Definition
claw hand, inability to flex 4th/5th finger, apothenar atrophy + sensory loss to palm and tips of ulnar 1 1/2 fingers |
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Term
what does musculocutaneous nerve damage cause? |
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Definition
loss of elbow flexion, supination, and bieps reflex + sensation loss to extensor side of forearm |
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Term
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Definition
medial nerve compression leads to pain/tingling |
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Term
which nerve is at most risk of injury from a humeral fracture? |
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Definition
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Term
which nerve --> elbow flexion? |
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Definition
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Term
which nerve --> elbow extension? |
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Definition
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Term
which nerve and muscle are supinators of the forearm |
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Definition
biceps and musculocutaneous nerve |
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Term
which muscle and nerve are responsible for pronation of the forearm? |
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Definition
pronator teres and median nerve |
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Term
tell me about tennis elbow |
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Definition
repetitive stress injury, inflammation of the lateral epicondyle which is the origin of forearm extensor muscles
(note that the actual elbow join is not involved) |
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Term
main muscle and nerve --> outward hip rotation |
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Definition
gluteus maximus, inferior gluteal nerve |
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Term
main muscle/nerve --> inward hip rotation |
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Definition
gluteus medius/minimus, superior gluteal nerve |
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Term
main muscle responsible for hip extension |
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Definition
glut maximus (inferior gluteal nerve) |
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Term
muscle responsible for hip flexion? |
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Definition
iliopsoas (femoral nerve) |
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Term
main muscle responsible for hip abduction? |
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Definition
gluteus medius (sup gluteal nerve) |
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Term
main muscle --> hip adduction |
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Definition
adductor magnus/minimus (obturator nerve) |
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Term
knee extension (main muscle and nerve) |
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Definition
quadriceps femoris (femoral nerve) |
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Term
knee flexion (main muscle/nerve) |
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Definition
"hamstrings" semimembranous, semitendinous, biceps femoris
sciatic nerve |
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Term
inward knee rotation (muscle/nerve) |
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Definition
semimembranous, sciatic nerve |
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Term
outward knee rotation (muscle/nerve) |
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Definition
biceps femoris, sciatic nerve |
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Term
where is the safest place on the glutes to give a shot? |
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Definition
upper lateral quadrant (avoid sciatic nerve this way) |
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Term
dorsiflexion and foot inversion (muscle/nerve) |
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Definition
tibialis anterior, deep peroneal nerve |
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Term
ankle dorsiflexion and eversion |
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Definition
peroneus tertius, deep peroneal nerve |
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Term
plantarflexion and inversion |
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Definition
peroneus longus/brevus, superficial peroneal nerve |
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Term
plantarflexion and eversion |
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Definition
tibialis posterior, tibial nerve |
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Term
injury to common peroneal nerve |
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Definition
winds around neck of fibula, MOST COMMONLY INJURED NERVE OF LOWER LIMB, foot drop |
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Term
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Definition
rare (deep laceration of popliteal fossa), no plantarflexion |
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Term
what structures lie in the superior mediastinum? |
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Definition
thymus, great vessels, trachea, esophagus |
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Term
what structures live in the inferior mediastinum? |
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Definition
middle:heart, posterior: esoph/aorta, anterior:filed by thymus in infants |
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Term
what does the left coronary artery supply |
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Definition
(ant. interventricular and circumflex arteries) left atrium/ventricle + anterior septum |
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Term
right coronary artery supplies: |
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Definition
right atrium, right ventricle, sinus node, AV node |
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Term
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Definition
left gastric, splenic, hepatic, gastroduodenal, superior pancreaticoduodenal |
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Term
branches of superior mesenteric artery |
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Definition
inferior pancreaticoduodenal, branches to small intestine, cecum, ascending and transverse colon |
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Term
branches of inferior mesenteric artery |
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Definition
branches to descending and sigmoid colon, superior rectal artery |
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Term
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Definition
can lead to esophageal varices, hemorrhoids, caput medusae |
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Term
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Definition
stomach, SI, transverse colon, spleen, part of liver |
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Term
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Definition
aorta, vena cava, kidneys, pancreas, duodenum, ascending and descending colon |
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Term
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Definition
ovarian artery (from aorta), uterine artery (from internal iliac) |
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Term
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Definition
testicular artery (from aorta), artery of ductus deferens (from internal iliac), cremasteric artery (from inferior epigastric) |
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